Relations
- broader:
- (en) Intersection
- (en) Point
- narrower:
- (en) Foot of a perpendicular
- (en) Intercept
- references:
- (en) Equation of a straight line
- (en) Simultaneous equations
- referenced:
- (en) Chord or secant line
- (en) Construct a circle through three given points
- (en) Construct the outscribed circle
- (en) Intersecting chords theorem
- (en) Menelaus' theorem
- (en) Thrackle
Funded by: EU Socrates Minerva, HeyMath!, Cambridge University Press